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<?php $matches = []; $reg = '/(?:^|(?:\s*\,\s*))([^\x00-\x20\(\)<>@\,;\:"\/\[\]\?\=\{\}\x7F]+)(?:\=(?:([^\x00-\x20\(\)<>@\,;\:"\/\[\]\?\=\{\}\x7F]+)|(?:"((?:[^"\]|\.)*)")))?/'; preg_match_all($reg, 'User-Agent, Accept', $matches, PREG_SET_ORDER); var_dump($matches); echo 'aaa'; var_dump('bb');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/mfS2i
function name:  (null)
number of ops:  16
compiled vars:  !0 = $matches, !1 = $reg
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        ASSIGN                                                   !1, '%2F%28%3F%3A%5E%7C%28%3F%3A%5Cs%2A%5C%2C%5Cs%2A%29%29%28%5B%5E%5Cx00-%5Cx20%5C%28%5C%29%3C%3E%40%5C%2C%3B%5C%3A%22%5C%2F%5C%5B%5C%5D%5C%3F%5C%3D%5C%7B%5C%7D%5Cx7F%5D%2B%29%28%3F%3A%5C%3D%28%3F%3A%28%5B%5E%5Cx00-%5Cx20%5C%28%5C%29%3C%3E%40%5C%2C%3B%5C%3A%22%5C%2F%5C%5B%5C%5D%5C%3F%5C%3D%5C%7B%5C%7D%5Cx7F%5D%2B%29%7C%28%3F%3A%22%28%28%3F%3A%5B%5E%22%5C%5D%7C%5C.%29%2A%29%22%29%29%29%3F%2F'
    5     2        INIT_FCALL                                               'preg_match_all'
          3        SEND_VAR                                                 !1
          4        SEND_VAL                                                 'User-Agent%2C+Accept'
          5        SEND_REF                                                 !0
          6        SEND_VAL                                                 2
          7        DO_ICALL                                                 
    6     8        INIT_FCALL                                               'var_dump'
          9        SEND_VAR                                                 !0
         10        DO_ICALL                                                 
    7    11        ECHO                                                     'aaa'
    8    12        INIT_FCALL                                               'var_dump'
         13        SEND_VAL                                                 'bb'
         14        DO_ICALL                                                 
         15      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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